Παραπομπή APA

Madan, J. (1973). Motivate your salesman. Modern marketing.

Παραπομπή Chicago Style

Madan, J.B. Motivate Your Salesman. Culcutta: Modern marketing, 1973.

Παραπομπή MLA

Madan, J.B. Motivate Your Salesman. Modern marketing, 1973.